The CNN Polling Center displays data from polling organizations that use CNN-approved
polling methodology as well as some that do not. The asterisk symbol * indicates that
the poll or polling organization does not meet CNN's methodological standards.
A CNN Poll of Polls is calculated using at least three polls that use CNN-approved methodology.
The Congressional Ballot polling data was provided by PollingReport.com.
ew polls of likely voters in three battleground states show President Barack Obama with a lead over Republican challenger Mitt Romney in New Hampshire, and with a slight advantage in Nevada and North Carolina.